CN201747256U - Aluminum ladder regulator - Google Patents
Aluminum ladder regulator Download PDFInfo
- Publication number
- CN201747256U CN201747256U CN2010201348207U CN201020134820U CN201747256U CN 201747256 U CN201747256 U CN 201747256U CN 2010201348207 U CN2010201348207 U CN 2010201348207U CN 201020134820 U CN201020134820 U CN 201020134820U CN 201747256 U CN201747256 U CN 201747256U
- Authority
- CN
- China
- Prior art keywords
- turning arm
- type card
- locking
- breach
- ladder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an aluminum ladder regulator comprising a first rotary arm and a second rotary arm, wherein the middle parts at the front ends of the first rotary arm and the second rotary arm are rotatably connected through a hinge; the first rotary arm is internally provided with a V-shaped card compression spring which is compressed and connected with a V-shaped card sleeved in the middle of the hinge; the circumferential surface of the front end of the first rotary arm is provided with a plurality of T-shaped notches; two external ends of the V-shaped card are arranged in the T-shaped notches; the middle of the second rotary arm is provided with a locking through groove which is internally provided with a locking bar; and the middle of the locking bar is fixedly connected with an expansion bar. The utility model has the advantages that the height of the aluminum ladder can be regulated freely, the accurate positioning and locking are realized, the safety performance is good, and the installation and use are convenient. Meanwhile, the aluminum ladder can be connected into various shapes by using a plurality of aluminum ladder regulating buckles, the functions of the aluminum ladder are increased, and the aluminum ladder regulator is worth popularization in the same industry.
Description
Technical field
The utility model relates to a kind of aluminium ladder and connects adjusting device, relates in particular to a kind of aluminium ladder freely can the connection, adjusts connection angle, and can accurately locate self-locking, the aluminium ladder adjuster that security performance is good.
Background technology
The aluminium ladder is requisite one of instruments of ascending a height of industry such as finishing, existing aluminium ladder both can fold use, can merge use again, but connected mode is fairly simple, less stable, safety is relatively poor, such as, the most original homemade rope yarn of the use that has connects, use two connection straps that have connect, these devices are all too simple, can only play maximum spacing effect, adjust aluminium ladder height also with this pin-point accuracy location as if needing, to improve the safety of aluminium ladder, existing apparatus does not have such function, and therefore, the linkage of existing aluminium ladder requires further improvement and improves.
The utility model content
The purpose of this utility model is, overcomes the above-mentioned defective of prior art, provides a kind of and can freely adjust aluminium ladder height or length, and can accurately locate self-locking, the aluminium ladder adjuster that security performance is good.
For realizing described purpose, the technical scheme that the utility model provides is as follows: construct a kind of aluminium ladder adjuster, comprise first turning arm and second turning arm, described first turning arm and the second turning arm front center are transferred by hinge, be provided with V-type card compression spring in described first turning arm, this V-type card compression spring and the V-type card elasticity crimping that can regulate the anglec of rotation automatically that is socketed in the hinge middle part, offer some " T " word shape breach on the periphery of this first turning arm front end, the commentaries on classics of described V-type card two outer ends is located in this " T " word shape breach; Described second turning arm middle part offers the locking groove, be provided with locking strip in this locking groove, described locking strip middle part is connected with an expansion link, the flange elasticity crimping of this expansion link by establishing in the locking compression spring and second turning arm, middle part, described locking strip two outer ends offers breach, is socketed with " U " shape hand-reset pull bar in this breach.
Described second turning arm comprises symmetrical top cover and bottom, and this second turning arm front end is the circular intermediate plate shape of no periphery, and this bottom middle part is provided with the spacer of distance between restriction top cover and the bottom.
Described V-type card outer end rounding, its outer end are a little more than the periphery of first turning arm, and this V-type card can rotate at " T " word shape breach middle part on this periphery.
Described first turning arm comprises the top cover and the bottom of symmetry, and this first turning arm front end is a toroidal, and the described first turning arm nose circle side face offers two " T " word shape breach at least.
Usefulness of the present utility model is: can freely adjust aluminium ladder height, and can accurately locate self-locking, security performance is good, easy to install, use some aluminium ladder adjusters simultaneously, the aluminium ladder can be connected into multiple shape, increased the function of use of aluminium ladder, the worth same industry is widelyd popularize.
Description of drawings
Be further described below in conjunction with accompanying drawing and preferred embodiment concrete technical scheme with regard to aluminium ladder adjuster described in the utility model.
Fig. 1 is a stereogram of the present utility model;
Fig. 2 is a longitudinal profile schematic diagram of the present utility model;
Fig. 3 is a hand-reset pull bar stereogram of the present utility model;
Fig. 4 is an expansion link parts stereogram of the present utility model.
The specific embodiment
Consult Fig. 1～aluminium ladder adjuster shown in Figure 4 preferred embodiment, comprise first turning arm 1 and second turning arm 2, described first turning arm 1 and second turning arm, 2 front center are by hinge 3 switchings, be provided with V-type card compression spring 11 in described first turning arm 1, this V-type card compression spring 11 and the V-type card that can the regulate the anglec of rotation automatically 31 elasticity crimping that are socketed in hinge 3 middle parts, offer some " T " word shape breach 12 on the periphery of this first turning arm front end, 31 liang of outer ends commentaries on classics of described V-type card are located in this " T " word shape breach 12; Described second turning arm 2 middle parts offer locking groove 21, be provided with locking strip 22 in this locking groove 21, described locking strip 22 middle parts are connected with an expansion link 23, the flange 25 elasticity crimping of this expansion link 23 by establishing in the locking compression spring 24 and second turning arm, middle part, 22 liang of outer ends of described locking strip offers breach 221, is socketed with " U " shape hand-reset pull bar 26 in this breach 221.
Described second turning arm 2 comprises the top cover 27 and bottom 28 of symmetry, and these second turning arm, 2 front ends are provided with the spacer 29 of distance between restriction top cover 27 and the bottom 28 for the circular intermediate plate shape of no periphery, these bottom 28 middle parts.
Described V-type card 31 outer end roundings, its outer end are a little more than the periphery of first turning arm, and this V-type card 31 can rotate at " T " word shape breach 12 middle parts on this periphery.
Described first turning arm 1 comprises the top cover 13 and bottom 14 of symmetry, and this first turning arm, 1 front end is a toroidal, and described first turning arm, 1 nose circle side face offers two " T " word shape breach 12.
Described first turning arm 1 and 2 middle part switchings place of second turning arm are provided with the corresponding press flange 16 that plays location load effect respectively, compress recessed edge 33.
Described first turning arm 1 and second turning arm, 2 front center and hinge 3 switchings place are provided with the flange 35 that strengthens two turning arm thickness and intensity.
Operating principle: the locking strip 22 in the locking groove 21 of second turning arm 2 is under the pressure effect of locking spring 24, tightly be crimped on the nose circle side face of first turning arm 1, this moment, second turning arm 2 and first turning arm 1 accurately were located by connecting the aluminium ladder, when second turning arm, 2 relative first turning arms 1 rotate to first turning arm " T " word shape breach, when locking strip 22 arrived at the inside compression direction of V-type card 31, locking strip 22 inwardly extruding V-type cards 31 was shunk back to " T " word dress breach
In the breach, locking strip 22 is that elasticity snaps in "-" breach of " T " word shape breach under the pressure effect of locking spring 24, automatically " T " word breach on the first turning arm periphery is locked, being about to the aluminium ladder fixedly secures, be connected to " U " shape hand-reset pull bar 26 that middle part, locking strip 22 outer ends offers breach 221 if pull, the V-type card can automatically reset, and keeps the accurate positioning states of second turning arm 2 and first turning arm 1.
Above-described only is principle of the present utility model and preferred embodiment.Should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model principle, can also make some modification and improvement, also should be considered as belonging to protection domain of the present utility model.
Claims (6)
1. aluminium ladder adjuster, comprise first turning arm and second turning arm, it is characterized in that: described first turning arm and the second turning arm front center are transferred by hinge, be provided with V-type card compression spring in described first turning arm, this V-type card compression spring and the V-type card elasticity crimping that can regulate the anglec of rotation automatically that is socketed in the hinge middle part, offer some " T " word shape breach on the periphery of this first turning arm front end, the commentaries on classics of described V-type card two outer ends is located in this " T " word shape breach; Described second turning arm middle part offers the locking groove, be provided with locking strip in this locking groove, described locking strip middle part is connected with an expansion link, the flange elasticity crimping of this expansion link by establishing in the locking compression spring and second turning arm, middle part, described locking strip two outer ends offers breach, is socketed with " U " shape hand-reset pull bar in this breach.
2. aluminium ladder adjuster according to claim 1, it is characterized in that: described first turning arm comprises the top cover and the bottom of symmetry, and this first turning arm front end is a toroidal; Described second turning arm comprises symmetrical top cover and bottom, and this second turning arm front end is the circular intermediate plate shape of no periphery, and this bottom middle part is provided with the spacer of distance between restriction top cover and the bottom.
3. aluminium ladder adjuster according to claim 1 is characterized in that: described V-type card outer end rounding, its outer end are a little more than the periphery of first turning arm, and this V-type card can rotate at " T " word shape breach middle part on this periphery.
4. according to claim 1 or 3 described aluminium ladder adjusters, it is characterized in that: shown in first turning arm comprise the top cover and the bottom of symmetry, the described first turning arm nose circle side face offers two " T " word shape breach at least.
5. aluminium according to claim 1 ladder adjuster is characterized in that: described first turning arm and middle part switching place of second turning arm are provided with respectively and correspondingly work the press flange of locating the load effect, compress recessed edge.
6. aluminium ladder adjuster according to claim 1, it is characterized in that: described first turning arm and the second turning arm front center and hinge switching place are provided with the flange that strengthens two turning arm thickness and intensity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201348207U CN201747256U (en) | 2010-03-05 | 2010-03-05 | Aluminum ladder regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201348207U CN201747256U (en) | 2010-03-05 | 2010-03-05 | Aluminum ladder regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201747256U true CN201747256U (en) | 2011-02-16 |
Family
ID=43581938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201348207U Expired - Fee Related CN201747256U (en) | 2010-03-05 | 2010-03-05 | Aluminum ladder regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201747256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109154172A (en) * | 2016-06-14 | 2019-01-04 | 伟英企业有限公司 | Ladder, ladder hinge and correlation technique |
-
2010
- 2010-03-05 CN CN2010201348207U patent/CN201747256U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109154172A (en) * | 2016-06-14 | 2019-01-04 | 伟英企业有限公司 | Ladder, ladder hinge and correlation technique |
| US10801261B2 (en) | 2016-06-14 | 2020-10-13 | Wing Enterprises, Incorporated | Ladders, ladder hinges and related methods |
| CN109154172B (en) * | 2016-06-14 | 2021-03-09 | 伟英企业有限公司 | Ladders, ladder hinges, and related methods |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGGUAN EEWELL HOMECARE PRODUCTS CO., LTD. Free format text: FORMER OWNER: WANG BIN Effective date: 20111110 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 523660 DONGGUAN, GUANGDONG PROVINCE TO: 523000 DONGGUAN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20111110 Address after: Dongguan city Guangdong town yuluang 523000 city of Dongguan province Wei Qing Qing Lake Industrial Park Lake Road Patentee after: Dongguan Dengdai Hardware Technology Co., Ltd. Address before: 523660 Guangdong city of Dongguan Province town yuluang Wai Qing Qing Lake Industrial Park Lake Road Patentee before: Wang Bin |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20120305 |